Home / 19,286.46-28,929.63-5,435.46

Finding the Fourth Proportional to 19,286.46, 28,929.63 and 5,435.46

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Solution

The fourth proportional to 19,286.46, 28,929.63 and 5,435.46 is: 8,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.46 : 28,929.63 = 5,435.46 : x
  2. Step 2: Convert to fraction form
    19,286.46/28,929.63 = 5,435.46/x
  3. Step 3: Cross multiply
    19,286.46x = 28,929.63 × 5,435.46
  4. Step 4: Simplify right side
    19,286.46x = 157,245,846.68
  5. Step 5: Solve for x
    x = 157,245,846.68/19,286.46
  6. Step 6: Final answer
    x = 8,153.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.